3 Point Position Dial: This nitrogen purge tool features a quick and simple 3 point position dial for rapid switching between purging, brazing, and shut off settings, ensuring correct nitrogen rate for each setting 1/4 Inch Port: Quickly attaches to the outlet of standard nitrogen pressure regulator. Setting the purge tool to off and connecting a standard 1/4 inch refrigerating fluid hose, to complete flushing and brazing within seconds Product Usage: Facilitates nitrogen smoothly into pipe during purging and brazing processes, removing refrigerants and debris, prevent oxidation and equipment failure, maintaining pipeline cleanliness Stable and Accurate: With an inlet pressure of 50psi, a maximum pressure of 200psi, it offers accurate control over nitrogen , achieving more stable purging and brazing effects, minimizing gas wastage For HVAC Equipment: Designed to meet the demands of rigorous HVAC maintenance, ensuring a more consistent running that safeguards against system failures, enhancing overall efficiency and longevity Size 7 cm x 8 cm x 3 cm Brand Name Dpofirs Unit Count 1.0 Count Valve Type Globe Valve Thread Size 1/4 inch Manufacturer Dpofirs Model Number Dpofirsbsgu9gykt5 Connector Type Threaded Item Type Name Pressure Regulators Item Dimensions 3.15 x 2.76 x 1.18 inches Number of Ports 1 Maximum Pressure 200 Pound per Square Inch Manufacturer Part Number Dpofirsbsgu9gykt5